ISO 2990:1974

Nitric acid for industrial use — Evaluation of the nitric acid concentration by measurement of density

Describes the determination of density at 20 °C by means of a hydrometer. The correspondence between density and concentration of aqueous solutions is given in a table. Has also been approved by the IUPAC.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.060.30

Statut:

Annulée

Date de Publication:

1974-03-31

Numéro Standard:

ISO 2990:1974